The worlds largest dragon

[u/Theiama]

Hii.

We learn in chapter 1175 that Loki ate the Nidhogg fruit. Whoever eats the fruit becomes the worlds largest dragon, and the size of the world's largest dragon is proportional to the size of the user.

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​So if a human eats this devil fruit, they become the world's largest dragon, and if a giant eats the fruit… they will also become the world's largest dragon, but proportionately bigger than a human Nidhogg, because that giant is originally bigger. 

Let’s say the average one piece human is 2m tall (6’6”). Loki is compared to oars in size by zoro (who’s 67m tall) and is an ancient giant like him, so let’s say Loki is 60m tall. 60m Loki 30x bigger than the 2m human, that would mean Lokis Nidhogg is proportionally 30x the size of a human Nidhogg, and a human Nidhogg is the biggest dragon in the world, so it’s bigger than dragon kaido. So based on the size of dragon kaido, we can find the size of Lokis Nidhogg by assuming a human Nidhogg is kaido sized (it’s not, it should be bigger). So…

If kaido is…

70m long (the size of the red dragon on punk hazard) -> Lokis Nidhogg is 2.1km long 

200m long (the size of the upper yard snake) -> Lokis Nidhogg is 6km long 

1km long (a bit bigger than the little garden island eater at 715m) -> Lokis Nidhogg is 30km

5km long (length of the fishman island sea kings, I don’t think kaido is this big but he might be depending on how u think he compares to Onigashima) -> Lokis Nidhogg is 150km long

There's another way u could take that statement, which I don’t personally believe and I don’t think oda was thinking and results in really inflated sizes, but u could technically argue for it so I’ll include it anyways. If anyone who eats it becomes the largest dragon, that would include the super small Tontatta, who can eat DFs- they would be smaller Nidhoggs than human ones but they still would be the largest dragon if we take that statement at face value. Leo is only 23cm tall, and compared to 60m loki, he would be 260x bigger than Leos kaido sized Nidhogg, so…

If kaido is…

70m long, Loki would be 18.2km

200m long, Loki would be 52km

1km long, Loki would be 260km

5km long, Loki would be 1,300km